Home / 86,315.20-119,103.96-48,582.16

Finding the Fourth Proportional to 86,315.20, 119,103.96 and 48,582.16

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Solution

The fourth proportional to 86,315.20, 119,103.96 and 48,582.16 is: 67,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,315.20 : 119,103.96 = 48,582.16 : x
  2. Step 2: Convert to fraction form
    86,315.20/119,103.96 = 48,582.16/x
  3. Step 3: Cross multiply
    86,315.20x = 119,103.96 × 48,582.16
  4. Step 4: Simplify right side
    86,315.20x = 5,786,327,641.35
  5. Step 5: Solve for x
    x = 5,786,327,641.35/86,315.20
  6. Step 6: Final answer
    x = 67,037.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.